.box {
    width: fit-content;
    height: fit-content;
}
.box + .box {
    margin-top: 10px;
}
.header {
    padding: 5px;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    background-color: #5fb878;
}
.body {
    padding: 10px;
    background-color: #f0f0f0;
}
input {
    width: 100px;
    height: 30px;
    outline: unset;
    font-size: 16px;
    text-align: center;
    font-weight: bold;
}

.chat-board {
    width: 400px;
    height: 200px;
    overflow-y: scroll;
    background: #fff;
}
.chat-board::-webkit-scrollbar {
    width: 0;
    height: 0;
}
.chat-typing {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    align-items: center;
}
.chat-typing > .textarea {
    width: 100%;
    min-height: 30px;
    max-height: 300px;
    word-wrap: break-word;
    background-color: #fff;
    outline: #5fb878 solid 1px;
    padding: 5px;
    box-sizing: border-box;
    overflow-y: scroll;
}
.chat-typing > .textarea::-webkit-scrollbar {
    width: 0;
    height: 0;
}
.chat-typing > .btn-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    padding: 10px 0;
}
.chat-typing > .btn-container > button {
    font-size: 14px;
    color: #fff;
    background-color: #5fb878;
    padding: 4px 10px;
    border: unset;
}
.chat-typing > .btn-container > button + button {
    margin-left: 10px;
}